Show:
star study tools
mapping stars
groups of stars
unusual stars
describing stars
100
a telescope that uses mirrors to gather light
What is a reflecting telescope
100
the number of modern constellations recorded
What is 88
100
the galaxy we live in
What is the Milky Way galaxy
100
a star that sometimes explodes and leaves behind a neutron star
What is a supernova
100
brighter stars are given this "type" of a number
What is a negative number
200
the first types of telescopes used
What are refracting telescopes
200
according to the Bayer system, the brightest star is usually given this name in addition to the possessive name of the constellation
What is alpha
200
the Milky Way is this type of galaxy
What is a spiral galaxy
200
a star that sometimes increases many magnitudes in brightness for a period of time and then returns to its original brightness
What is a nova
200
the distance that light travels in one year
What is a light year
300
a pole-like device that can determine the position a motion of the sun by the shadow it casts
What is a gnomon
300
the plane of the earth's equator projected into the sky
What is the celestial equator
300
several stars in a group that have the same motion
What is a star cluster
300
variable star pairs that seem to vary in brightness due to an eclipse
What are eclipsing binaries
300
the color of the hottest stars
What is blue or violet
400
a structure in England known for its huge stones arranged in a circular pattern
What is Stonehenge
400
also known as celestial latitude
What is declination
400
a large mass of dust and gases in space
What is nebulae
400
a star that changes in brightness because it expands and contracts regularly
What is a Cepheid variable
400
star movement directly toward or away from the observer
What is radial motion
500
this instrument has done more to reveal the incredible nature of the heavens than any other
What is the Hubble Space telescope
500
this point on the prime hour circle is the starting point for right ascension
What is the vernal equinox
500
unusual, distant rapidly moving objects
What are quasars
500
a spinning neutron star that gives out strong rapidly changing radio signals
What is a pulsar
500
a star's real movement across the sky
What is proper motion